TASK DEFINITION: You are given a sentence and your task is to generate another sentence that supports the given input.
PROBLEM: Birth  typically occurs at about 38 weeks after fertilization, so the fetal period generally lasts about 30 weeks.

SOLUTION: The fetal period lasts approximately 30 weeks weeks.

PROBLEM: A molecule of ozone is formed by the chemical combination of three oxygen atoms.

SOLUTION: Three oxygen ions make up an ozone molecule.

PROBLEM: METABOLIC Refers to the process of building the body's molecular structures from nutrients (anabolism) and of breaking them down for energy production and excretion (catabolism).

SOLUTION:
Catabolic and anabolic hormones in the body help regulate metabolic processes.

